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 ###Instrução: Quem era o gerente anterior de Aberdeen?
 ###Tabelas: CREATE TABLE federal_representation (federal_representation_id AUTO_INCREMENT PRIMARY KEY, Federal State VARCHAR, Number of Members INT, % Of total Members VARCHAR, Population (on the census also called Censo 2010) VARCHAR, % Of the population (Censo 2010) VARCHAR, Representativeness (Inhabitants / Mr) VARCHAR, Representatives of national average VARCHAR, Deputies required ignoring the limits INT) CREATE TABLE triangles_and_their_sides (triangles_and_their_sides_id AUTO_INCREMENT PRIMARY KEY, Number INT, Name VARCHAR, Vertices VARCHAR, Hypotenuse 0 c VARCHAR, Vertical 0 b VARCHAR, Horizontal 0 a VARCHAR) CREATE TABLE club_career_stats (club_career_stats_id AUTO_INCREMENT PRIMARY KEY, Season INT, Team VARCHAR, Country VARCHAR, League VARCHAR, Level INT, Apps INT, Goals INT) CREATE TABLE managerial_changes (managerial_changes_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Outgoing manager VARCHAR, Manner of departure VARCHAR, Date of vacancy VARCHAR, Replaced by VARCHAR, Date of appointment VARCHAR) CREATE TABLE winners_and_honorees (winners_and_honorees_id AUTO_INCREMENT PRIMARY KEY, Year INT, Player VARCHAR, Country VARCHAR, Score VARCHAR, Margin of victory VARCHAR, Winners share ( $ ) INT, Honoree(s) VARCHAR)  
SELECT Outgoing manager FROM managerial_changes WHERE Team = Aberdeen